Message 850 not found; No message file for product=network, facility=NL

I have configured the database in auto start using /etc/init.d/dbora file in Linux 5, 32bit. Oracle version 11.2.0.4. Database instances are getting started during server startup, but listener is not starting. I tried to run the command manually from root user, and found below error. Please suggest your idea.

Content of /etc/init.d/dbora:

export ORA_HOME=/u01/app/oracle/product/11.2.0/db_1

export ORA_OWNER=oracle

export ORACLE_HOME_LISTNER=$ORA_HOME

if [ ! -f $ORA_HOME/bin/dbstart ]

then

    echo "Oracle startup: cannot start"

    exit

fi

case "$1" in

    'start')

        # Start the Oracle databases:

        # The following command assumes that the oracle login